diff --git a/pom.xml b/pom.xml
index 02e7d7c5..2b0aa97b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,13 +55,13 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <site.installationModule>${project.artifactId}</site.installationModule>
 
-    <grpc.version>1.27.2</grpc.version>
-    <gax.version>1.54.0</gax.version>
+    <grpc.version>1.28.0</grpc.version>
+    <gax.version>1.55.0</gax.version>
     <guava.version>28.2-android</guava.version>
     <protobuf.version>3.11.4</protobuf.version>
     <google.api-common.version>1.8.1</google.api-common.version>
     <google.common-protos.version>1.17.0</google.common-protos.version>
-    <google.core.version>1.93.0</google.core.version>
+    <google.core.version>1.93.3</google.core.version>
     <google.auth.version>0.20.0</google.auth.version>
     <google.http-client.version>1.34.2</google.http-client.version>
     <google.api-client.version>1.30.9</google.api-client.version>